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Completed No phase listed Observational Accepts healthy volunteers

Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)

ClinicalTrials.gov ID: NCT01397383

Public ClinicalTrials.gov record NCT01397383. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 9, 2026, 8:36 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

The Effect of Serum Vitamin D Level and the Short Term Functional Outcomes After Total Hip Arthroplasty

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The investigators would like to evaluate the effect of serum 25-hydroxy vitamin D level on post-operative short-term functional outcomes after total hip arthroplasty (THA). Hypothesis: Patients with low serum vitamin D level will have less within-patient improvement in pre- to 6 week, 1 year, 2 year and 5 year post THA WOMAC scores, SF-36 scores, and performance-based tests(get up and go test and 2 minute walking test) compared to patients who do not have a low vitamin D levels. Also, Patients with low serum vitamin D level will have a higher rate of postoperative thigh pain or periprosthetic fracture.

Study identification

NCT ID
NCT01397383
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
219 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
40 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 28, 2010
Primary completion
May 31, 2011
Completion
Feb 2, 2014
Last update posted
Mar 19, 2017

2010 – 2014

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Hospital for Special Surgery New York New York 10021

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01397383, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 19, 2017 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01397383 live on ClinicalTrials.gov.

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